Water Cycle 4.0 / 5 based on 1 rating ? BiologyEcosystem and Material CycleGCSEEdexcel Created by: sara.5Created on: 05-04-18 16:11 Describe the 1st step of the water cycle Water evaporates from oceans, lakes and rivers to form water vapour 1 of 10 2nd step As air rises it cools, so water vapour in it condenses to form clouds 2 of 10 3rd step As water droplets get too heavy they fall as rain or snow 3 of 10 4th Ground water move into rivers onto lakes and eventually the water returns to the ocean 4 of 10 What does potable mean? safe for drinking 5 of 10 How is water made potable? Water is treated with chemicals and filtered, to remove dirt or pathogen or toxic subtances 6 of 10 What is desalination? The process of obtaining fresh water from sea or salty water. 7 of 10 What methods are used to desalinate? Distillation 8 of 10 What is distillation? Where water is evaporated and then condensed and the collected 9 of 10 one advantage and disadvantage of desalination AD-Provides Accessible Drinking Water DD-High Costs to Build and Operate 10 of 10
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